Problem3401--【Div3】abc403c-403 Forbidden

3401: 【Div3】abc403c-403 Forbidden

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Time Limit : 1.000 sec  Memory Limit : 128 MB

SubmitSolved: 5Submit Num: 10Statistics

Description



Sample Input Copy 

2 3 5
1 1 2
3 1 1
3 1 2
2 2
3 2 3

Sample Output Copy 

No
Yes
Yes

HINT

Source/Category

Div3 数据结构 map set 桶 
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